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LOSS PER SHARE - ADDITIONAL INFORMATION - (Details) - shares
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Share purchase options    
Earnings per share [line items]    
Anti-dilutive excluded from the diluted weighted-average number of ordinary shares 14,595,000 14,182,500
Share purchase warrants    
Earnings per share [line items]    
Anti-dilutive excluded from the diluted weighted-average number of ordinary shares 49,486 933,340